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annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/asm/TargetMethodAssembler.java @ 6531:4afe23aa0a00

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renamed packages: com.oracle.max.asm... -> com.oracle.graal.asm...
author Doug Simon <doug.simon@oracle.com>
date Mon, 08 Oct 2012 17:35:03 +0200
parents 64d6e2343a68
children 2463eb24b644
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1 /*
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.lir.asm;
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24
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25 import static com.oracle.graal.api.code.ValueUtil.*;
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26
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27 import java.util.*;
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28
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.meta.*;
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31 import com.oracle.graal.asm.*;
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32 import com.oracle.graal.debug.*;
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33 import com.oracle.graal.graph.*;
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34 import com.oracle.graal.lir.*;
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35 import com.oracle.graal.lir.LIR.Code;
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36
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37 public class TargetMethodAssembler {
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38
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39 private static class ExceptionInfo {
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40 public final int codeOffset;
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41 public final LabelRef exceptionEdge;
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42
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43 public ExceptionInfo(int pcOffset, LabelRef exceptionEdge) {
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44 this.codeOffset = pcOffset;
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45 this.exceptionEdge = exceptionEdge;
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46 }
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47 }
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48
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49 public final AbstractAssembler asm;
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50 public final CompilationResult targetMethod;
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51 public final TargetDescription target;
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52 public final CodeCacheProvider runtime;
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53 public final FrameMap frameMap;
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54
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55 /**
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56 * Out-of-line stubs to be emitted.
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57 */
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58 public final List<Code> stubs;
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60 /**
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61 * The object that emits code for managing a method's frame.
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62 * If null, no frame is used by the method.
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63 */
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64 public final FrameContext frameContext;
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65
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66 private List<ExceptionInfo> exceptionInfoList;
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67 private int lastSafepointPos;
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68
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69 public TargetMethodAssembler(TargetDescription target, CodeCacheProvider runtime, FrameMap frameMap, AbstractAssembler asm, FrameContext frameContext, List<Code> stubs) {
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70 this.target = target;
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71 this.runtime = runtime;
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72 this.frameMap = frameMap;
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73 this.stubs = stubs;
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74 this.asm = asm;
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75 this.targetMethod = new CompilationResult();
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76 this.frameContext = frameContext;
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77 // 0 is a valid pc for safepoints in template methods
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78 this.lastSafepointPos = -1;
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79 }
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80
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81 public void setFrameSize(int frameSize) {
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82 targetMethod.setFrameSize(frameSize);
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83 }
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84
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85 private static final CompilationResult.Mark[] NO_REFS = {};
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86
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87 public CompilationResult.Mark recordMark(Object id) {
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88 return targetMethod.recordMark(asm.codeBuffer.position(), id, NO_REFS);
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89 }
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90
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91 public CompilationResult.Mark recordMark(Object id, CompilationResult.Mark... references) {
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92 return targetMethod.recordMark(asm.codeBuffer.position(), id, references);
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93 }
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94
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95 public void blockComment(String s) {
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96 targetMethod.addAnnotation(new CompilationResult.CodeComment(asm.codeBuffer.position(), s));
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97 }
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98
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99 public CompilationResult finishTargetMethod(Object name, boolean isStub) {
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100 // Install code, data and frame size
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101 targetMethod.setTargetCode(asm.codeBuffer.close(false), asm.codeBuffer.position());
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102
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103 // Record exception handlers if they exist
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104 if (exceptionInfoList != null) {
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105 for (ExceptionInfo ei : exceptionInfoList) {
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106 int codeOffset = ei.codeOffset;
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107 targetMethod.recordExceptionHandler(codeOffset, ei.exceptionEdge.label().position());
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108 }
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109 }
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110
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111 Debug.metric("TargetMethods").increment();
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112 Debug.metric("CodeBytesEmitted").add(targetMethod.targetCodeSize());
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113 Debug.metric("SafepointsEmitted").add(targetMethod.getSafepoints().size());
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114 Debug.metric("DataPatches").add(targetMethod.getDataReferences().size());
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115 Debug.metric("ExceptionHandlersEmitted").add(targetMethod.getExceptionHandlers().size());
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116 Debug.log("Finished target method %s, isStub %b", name, isStub);
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117 return targetMethod;
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118 }
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119
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120 public void recordExceptionHandlers(int pcOffset, LIRFrameState info) {
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121 if (info != null) {
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122 if (info.exceptionEdge != null) {
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123 if (exceptionInfoList == null) {
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124 exceptionInfoList = new ArrayList<>(4);
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125 }
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126 exceptionInfoList.add(new ExceptionInfo(pcOffset, info.exceptionEdge));
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127 }
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128 }
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129 }
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130
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131 public void recordImplicitException(int pcOffset, LIRFrameState info) {
3733
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132 // record an implicit exception point
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diff changeset
133 if (info != null) {
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diff changeset
134 assert lastSafepointPos < pcOffset : lastSafepointPos + "<" + pcOffset;
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diff changeset
135 lastSafepointPos = pcOffset;
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diff changeset
136 targetMethod.recordSafepoint(pcOffset, info.debugInfo());
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parents:
diff changeset
137 assert info.exceptionEdge == null;
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parents:
diff changeset
138 }
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diff changeset
139 }
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diff changeset
140
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diff changeset
141 public void recordDirectCall(int posBefore, int posAfter, Object callTarget, LIRFrameState info) {
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diff changeset
142 DebugInfo debugInfo = info != null ? info.debugInfo() : null;
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143 assert lastSafepointPos < posAfter;
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144 lastSafepointPos = posAfter;
4142
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diff changeset
145 targetMethod.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, true);
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146 }
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147
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diff changeset
148 public void recordIndirectCall(int posBefore, int posAfter, Object callTarget, LIRFrameState info) {
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149 DebugInfo debugInfo = info != null ? info.debugInfo() : null;
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150 assert lastSafepointPos < posAfter;
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151 lastSafepointPos = posAfter;
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diff changeset
152 targetMethod.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, false);
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153 }
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154
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diff changeset
155 public void recordSafepoint(int pos, LIRFrameState info) {
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156 // safepoints always need debug info
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157 DebugInfo debugInfo = info.debugInfo();
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158 assert lastSafepointPos < pos;
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159 lastSafepointPos = pos;
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diff changeset
160 targetMethod.recordSafepoint(pos, debugInfo);
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161 }
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162
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diff changeset
163 public Address recordDataReferenceInCode(Constant data, int alignment) {
3733
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164 assert data != null;
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165 int pos = asm.codeBuffer.position();
4405
aa867c7c1d1e Remove TraceRelocation flag.
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diff changeset
166 Debug.log("Data reference in code: pos = %d, data = %s", pos, data.toString());
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167 targetMethod.recordDataReference(pos, data, alignment);
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168 return Address.Placeholder;
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169 }
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170
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diff changeset
171 public int lastSafepointPos() {
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172 return lastSafepointPos;
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173 }
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174
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175
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176 /**
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177 * Returns the integer value of any constants that can be represented by a 32-bit integer value,
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178 * including long constants that fit into the 32-bit range.
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179 */
5539
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diff changeset
180 public int asIntConst(Value value) {
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diff changeset
181 assert (value.getKind().stackKind() == Kind.Int || value.getKind() == Kind.Jsr || value.getKind() == Kind.Long) && isConstant(value);
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diff changeset
182 long c = ((Constant) value).asLong();
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diff changeset
183 if (!(NumUtil.isInt(c))) {
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
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diff changeset
184 throw GraalInternalError.shouldNotReachHere();
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185 }
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186 return (int) c;
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187 }
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188
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diff changeset
189 /**
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diff changeset
190 * Returns the address of a float constant that is embedded as a data references into the code.
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diff changeset
191 */
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192 public Address asFloatConstRef(Value value) {
3733
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193 return asFloatConstRef(value, 4);
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diff changeset
194 }
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195
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196 public Address asFloatConstRef(Value value, int alignment) {
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diff changeset
197 assert value.getKind() == Kind.Float && isConstant(value);
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diff changeset
198 return recordDataReferenceInCode((Constant) value, alignment);
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199 }
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200
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parents:
diff changeset
201 /**
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diff changeset
202 * Returns the address of a double constant that is embedded as a data references into the code.
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diff changeset
203 */
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diff changeset
204 public Address asDoubleConstRef(Value value) {
3733
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diff changeset
205 return asDoubleConstRef(value, 8);
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diff changeset
206 }
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parents:
diff changeset
207
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diff changeset
208 public Address asDoubleConstRef(Value value, int alignment) {
6329
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diff changeset
209 assert value.getKind() == Kind.Double && isConstant(value);
5538
e18ba36bfebc Renamed RiConstant => Constant.
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diff changeset
210 return recordDataReferenceInCode((Constant) value, alignment);
3733
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diff changeset
211 }
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parents:
diff changeset
212
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
213 /**
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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diff changeset
214 * Returns the address of a long constant that is embedded as a data references into the code.
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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diff changeset
215 */
5547
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diff changeset
216 public Address asLongConstRef(Value value) {
6329
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parents: 5798
diff changeset
217 assert value.getKind() == Kind.Long && isConstant(value);
5538
e18ba36bfebc Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5510
diff changeset
218 return recordDataReferenceInCode((Constant) value, 8);
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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diff changeset
219 }
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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parents: 4265
diff changeset
220
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diff changeset
221 public Address asIntAddr(Value value) {
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diff changeset
222 assert value.getKind() == Kind.Int;
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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parents: 4277
diff changeset
223 return asAddress(value);
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parents: 4277
diff changeset
224 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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diff changeset
225
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diff changeset
226 public Address asLongAddr(Value value) {
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diff changeset
227 assert value.getKind() == Kind.Long;
4323
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diff changeset
228 return asAddress(value);
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parents: 4277
diff changeset
229 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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parents: 4277
diff changeset
230
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diff changeset
231 public Address asObjectAddr(Value value) {
6329
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5798
diff changeset
232 assert value.getKind() == Kind.Object;
4323
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parents: 4277
diff changeset
233 return asAddress(value);
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Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
234 }
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parents: 4277
diff changeset
235
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diff changeset
236 public Address asFloatAddr(Value value) {
6329
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5798
diff changeset
237 assert value.getKind() == Kind.Float;
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
238 return asAddress(value);
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
239 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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parents: 4277
diff changeset
240
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5546
diff changeset
241 public Address asDoubleAddr(Value value) {
6329
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5798
diff changeset
242 assert value.getKind() == Kind.Double;
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
243 return asAddress(value);
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
244 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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diff changeset
245
5547
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parents: 5546
diff changeset
246 public Address asAddress(Value value) {
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
247 if (isStackSlot(value)) {
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5546
diff changeset
248 StackSlot slot = (StackSlot) value;
6329
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diff changeset
249 return new Address(slot.getKind(), frameMap.registerConfig.getFrameRegister().asValue(), frameMap.offsetForStackSlot(slot));
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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diff changeset
250 }
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
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diff changeset
251 return (Address) value;
3733
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parents:
diff changeset
252 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
253 }